11240122442 has 4 divisors (see below), whose sum is σ = 16860183666. Its totient is φ = 5620061220.

The previous prime is 11240122409. The next prime is 11240122463. The reversal of 11240122442 is 24422104211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24422104211 = 127219 ⋅191969.

It can be written as a sum of positive squares in only one way, i.e., 10152376081 + 1087746361 = 100759^2 + 32981^2 .

It is a super-2 number, since 2×11240122442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810030609 + ... + 2810030612.

Almost surely, 2^11240122442 is an apocalyptic number.

11240122442 is a deficient number, since it is larger than the sum of its proper divisors (5620061224).

11240122442 is an equidigital number, since it uses as much as digits as its factorization.

11240122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620061223.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 11240122442 its reverse (24422104211), we get a palindrome (35662226653).

The spelling of 11240122442 in words is "eleven billion, two hundred forty million, one hundred twenty-two thousand, four hundred forty-two".